From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 25 Sep 2010 12:35:34 +0000 (+0200)
Subject: readahead: make candidate for early OOM kill
X-Git-Tag: v11~85
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=75a010e0b790a2cf3c26408f99927bdb37011a32;hp=408b85df83ad5711eeb959dd657b967447892c56

readahead: make candidate for early OOM kill
---

diff --git a/src/readahead-collect.c b/src/readahead-collect.c
index 6705615d1..47095b1f7 100644
--- a/src/readahead-collect.c
+++ b/src/readahead-collect.c
@@ -57,7 +57,6 @@
  * - read ahead directories
  * - sd_readahead_cancel
  * - gzip?
- * - oom adjust
  * - remount rw
  * - are filenames from anotify normalized regards /../ and // and /./?
  * - does ioprio_set work with fadvise()?
@@ -216,6 +215,8 @@ static int collect(const char *root) {
 
         assert(root);
 
+        write_one_line_file("/proc/self/oom_score_adj", "1000");
+
         if (ioprio_set(IOPRIO_WHO_PROCESS, getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0)) < 0)
                 log_warning("Failed to set IDLE IO priority class: %m");
 
diff --git a/src/readahead-replay.c b/src/readahead-replay.c
index c01f73e6a..2fa5c182c 100644
--- a/src/readahead-replay.c
+++ b/src/readahead-replay.c
@@ -119,6 +119,8 @@ static int replay(const char *root) {
 
         assert(root);
 
+        write_one_line_file("/proc/self/oom_score_adj", "1000");
+
         if (asprintf(&pack_fn, "%s/.readahead", root) < 0) {
                 log_error("Out of memory");
                 r = -ENOMEM;